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Table 1 Feature values corresponding to anterior-posterior swallowing vibrations

From: A statistical analysis of cervical auscultation signals from adults with unsafe airway protection

  Thin Viscous
  Safe Unsafe Safe Unsafe
Skewness 0.867, 1.470 0.642, 1.963 0.491, 1.455 0.759, 1.621
Kurtosis 87.04, 25.48 27.56, 29.84 96.20, 30.07 39.69, 15.85
Entropy Rate 0.987, 0.007 0.987, 0.007 0.989, 0.006 0.986, 0.004
L-Z Complexity 0.059, 0.031 0.065, 0.030 0.056, 0.039 0.064, 0.029
Peak Freq (Hz) 16.56, 4.732 7.162, 5.161 56.29, 4.414 15.22, 5.613
Center Freq (Hz) 189.7, 138.3 109.2, 115.4 204.7, 113.4 141.0, 78.93
Bandwidth (Hz) 221.1, 222.6 198.1, 158.2 273.7, 174.7 264.2, 86.94
Wavelet Entropy 1.034, 1.348 1.003, 0.976 0.928, 1.139 1.066, 1.120